She found the OVERSIZED penis vial again and found a mind wipe vial, after digging around for a bit. She loved the feeling she got when Madison used her, and now she was her pilot. She wanted nothing more than to be used like that, again and again. She uncorked both vials, taking the OVERSIZED one first, followed by the mind wipe. Madison watched as Mary put two vials back into the box. "Found a way to reverse this?", she asked, hopeful.
"Not quite.", Mary responded, feeling her thoughts become lighter, harder to think straight. Her arms started to regress into her body as her head changed back into Madison's dick tip. Her breasts moved back to their original spot at her roommate's scrotum. "The hell did you do?", Madison scolded, not understanding the change. The breasts merged together, losing their nipples and becoming a soft sack. Mary's hair fell from her scalp as her face lost all feature. She felt good, her mind was emptying, becoming devoid of all thought. All she could do is feel as she becomes fully under the complete control of Madison. Madison was mortified, why did she choose this without even talking it through? She then moaned as a pleasurable warmth came over her, focusing on her new member. Her cock grew in length and girth, inching forward slowly. She picked up one of the vials she watched Mary drink, "OVERSIZED", it read. "Figures...", she said as she watched her dick swell faster outward. 6', 7', 8', it just kept growing out across the room. Carefully maneuvering her body, Madison aimed her member towards the kitchen. Her balls grew out as well, filling slowly. they were still giant, as they were before, but now they were becoming massive. The two waterbeds slowed their growth, and the now 15' cock did as well. Madison stroked her shaft, enjoying the foreign feeling.
"Well if this is what you want, let's spice this night up more.", Madison said as she...